— What's the matter with the man hanging his head there?— Well, if you _____ know, he was caught stealing my bike. 
#89271
A
must
B
may
C
can
D
shall
推荐题目
. If only I ________ how to operate an electronic computer as you do. 
#89384
A
had known
B
would know
C
should know
D
knew
. — ____ I know your name ?    — Sorry , you ____ . 
#89739
A
May ; mayn''t
B
May ; can''t
C
Must ; mustn''t
D
Need ; must
—_____ I invite Jack to the party?    —Yes, it’ll be nice if you _____.      
#88078
A
Will;will  
B
Shall;shall
C
Will;do 
D
Shall;do
My father ______ you a lift, even if he didn’t plan to take that way.
#89018
A
must have given
B
might have given
C
should have given
D
can’t have given